28
28
from cStringIO import StringIO
31
from errors import BzrError, BzrCheckError
32
from branch import Branch, BZR_BRANCH_FORMAT
33
from trace import mutter
35
# velocitynet.com.au transparently proxies connections and thereby
36
# breaks keep-alive -- sucks!
39
ENABLE_URLGRABBER = True
33
from bzrlib.errors import BzrError, BzrCheckError
34
from bzrlib.branch import Branch, BZR_BRANCH_FORMAT
35
from bzrlib.trace import mutter
36
from bzrlib.xml import serializer_v4
39
ENABLE_URLGRABBER = False
41
from bzrlib.errors import BzrError, NoSuchRevision
43
class GetFailed(BzrError):
44
def __init__(self, url, status):
45
BzrError.__init__(self, "Get %s failed with status %s" % (url, status))
42
49
if ENABLE_URLGRABBER:
44
import urlgrabber.keepalive
45
urlgrabber.keepalive.DEBUG = 0
50
import util.urlgrabber
51
import util.urlgrabber.keepalive
52
util.urlgrabber.keepalive.DEBUG = 0
46
53
def get_url(path, compressed=False):
51
58
mutter("grab url %s" % url)
52
url_f = urlgrabber.urlopen(url, keepalive=1, close_connection=0)
59
url_f = util.urlgrabber.urlopen(url, keepalive=1, close_connection=0)
60
if url_f.status != 200:
61
raise GetFailed(url, url_f.status)
89
98
except urllib2.URLError:
95
raise BzrError('no branch root found for URL %s' % orig_url)
101
scheme, host, path = list(urlparse.urlparse(url))[:3]
102
# discard params, query, fragment
104
# strip off one component of the path component
105
idx = path.rfind('/')
106
if idx == -1 or path == '/':
107
raise BzrError('no branch root found for URL %s'
108
' or enclosing directories'
111
url = urlparse.urlunparse((scheme, host, path, '', '', ''))
101
115
class RemoteBranch(Branch):
102
def __init__(self, baseurl, find_root=True, lock_mode='r'):
116
def __init__(self, baseurl, find_root=True):
103
117
"""Create new proxy for a remote branch."""
104
if lock_mode not in ('', 'r'):
105
raise BzrError('lock mode %r is not supported for remote branches'
109
119
self.baseurl = _find_remote_root(baseurl)
114
124
self.inventory_store = RemoteStore(baseurl + '/.bzr/inventory-store/')
115
125
self.text_store = RemoteStore(baseurl + '/.bzr/text-store/')
126
self.revision_store = RemoteStore(baseurl + '/.bzr/revision-store/')
117
128
def __str__(self):
118
return '%s(%r)' % (self.__class__.__name__, self.baseurl)
129
b = getattr(self, 'baseurl', 'undefined')
130
return '%s(%r)' % (self.__class__.__name__, b)
120
132
__repr__ = __str__
124
136
raise BzrError("file mode %r not supported for remote branches" % mode)
125
137
return get_url(self.baseurl + '/.bzr/' + filename, False)
127
def _need_readlock(self):
128
# remote branch always safe for read
131
def _need_writelock(self):
132
raise BzrError("cannot get write lock on HTTP remote branch")
141
# no locking for remote branches yet
144
def lock_write(self):
145
from errors import LockError
146
raise LockError("write lock not supported for remote branch %s"
134
153
def relpath(self, path):
135
154
if not path.startswith(self.baseurl):
138
157
pl = len(self.baseurl)
139
158
return path[pl:].lstrip('/')
141
161
def get_revision(self, revision_id):
142
from revision import Revision
143
revf = get_url(self.baseurl + '/.bzr/revision-store/' + revision_id,
145
r = Revision.read_xml(revf)
163
revf = self.revision_store[revision_id]
165
raise NoSuchRevision(self, revision_id)
166
r = serializer_v4.read_revision(revf)
146
167
if r.revision_id != revision_id:
147
168
raise BzrCheckError('revision stored as {%s} actually contains {%s}'
148
169
% (revision_id, r.revision_id))
162
183
def __getitem__(self, fileid):
163
184
p = self._path(fileid)
164
return get_url(p, compressed=True)
186
return get_url(p, compressed=True)
187
except urllib2.URLError:
188
raise KeyError(fileid)
168
"""For experimental purposes, traverse many parts of a remote branch"""
169
from revision import Revision
170
from branch import Branch
171
from inventory import Inventory
177
history = get_url('/.bzr/revision-history').readlines()
178
num_revs = len(history)
179
for i, rev_id in enumerate(history):
180
rev_id = rev_id.rstrip()
181
print 'read revision %d/%d' % (i, num_revs)
183
# python gzip needs a seekable file (!!) but the HTTP response
184
# isn't, so we need to buffer it
186
rev_f = get_url('/.bzr/revision-store/%s' % rev_id,
189
rev = Revision.read_xml(rev_f)
191
inv_id = rev.inventory_id
192
if inv_id not in got_invs:
193
print 'get inventory %s' % inv_id
194
inv_f = get_url('/.bzr/inventory-store/%s' % inv_id,
196
inv = Inventory.read_xml(inv_f)
197
print '%4d inventory entries' % len(inv)
199
for path, ie in inv.iter_entries():
203
if text_id in got_texts:
205
print ' fetch %s text {%s}' % (path, text_id)
206
text_f = get_url('/.bzr/text-store/%s' % text_id,
208
got_texts[text_id] = True
210
got_invs.add[inv_id] = True
216
BASE_URL = 'http://bazaar-ng.org/bzr/bzr.dev/'
217
b = RemoteBranch(BASE_URL)
218
## print '\n'.join(b.revision_history())
219
from log import show_log
223
if __name__ == '__main__':